tree eab9996e5e5d47674823298ce735daf753ef63d3
parent 89718870c90b70d9034e932d51cefbfbfd88c404
author Markus Böck <markus.boeck02@gmail.com> 1659785508 +0200
committer Copybara-Service <copybara-worker@google.com> 1659787936 -0700

[llvm] Remove uses of deprecated `std::iterator`

std::iterator has been deprecated in C++17 and some standard library implementations such as MS STL or libc++ emit deperecation messages when using the class.
Since LLVM has now switched to C++17 these will emit warnings on these implementations, or worse, errors in build configurations using -Werror.

This patch fixes these issues by replacing them with LLVMs own llvm::iterator_facade_base which offers a superset of functionality of std::iterator.

Differential Revision: https://reviews.llvm.org/D131320

GitOrigin-RevId: f7b73b7e8e6799d566abeb9954a0617e648b833e